Question: Which of the following is true regarding "stop-and-frisk" police practices? Which of the following is true regarding "stop-and-frisk" police practices? They are not subject to federal judicial review, since such policies are adopted at the state level of government. They were successfully challenged on constitutional grounds in Floyd v. City of New York. They have never been constitutionally challenged. They are not subject to federal judicial review, since such policies are adopted at the municipal level of government.